225780-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 225780-71-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,5,7,8 and 0 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 225780-71:
(8*2)+(7*2)+(6*5)+(5*7)+(4*8)+(3*0)+(2*7)+(1*1)=142
142 % 10 = 2
So 225780-71-2 is a valid CAS Registry Number.